Philips TDA8002C

1999 Oct 12 5

Philips Semiconductors Product speciﬁcation

IC card interface TDA8002C

PINNING

SYMBOL

I/O DESCRIPTION

TYPE

CT/A TYPE

CT/B TYPE

CT/C TYPE

XTAL1 1 1 1 30 I crystal connection or input for external clock

XTAL2 2 2 2 31 O crystal connection

I/OUC 3 3 3 32 I/O data I/O line to and from microcontroller

AUX1UC 4441I/Oauxiliary line 1 to and from microcontroller for synchronous

applications

AUX2UC 5 −−2 I/O auxiliar y line2 to and from microcontroller for synchronous

applications

CS −5 5 3 I chip select control input for enabling pins I/OUC, AUX1UC,

AUX2UC, CLKSEL, CLKDIV1, CLKDIV2, STROBE, CV/TV,

CMDVCC, RSTIN,OFF and MODE; note1

ALARM 6664Oopen drain PMOS reset output for microcontroller (active

HIGH)

CLKSEL 7775Icontrol input signal for CLK (LOW = XTAL oscillator;

HIGH = STROBE input)

CLKDIV1 8886Icontrol input with CLKDIV2 for choosing CLK frequency

CLKDIV2 9997Icontrol input with CLKDIV1 for choosing CLK frequency

STROBE 10 10 10 8 I external clock input for synchronous applications

CLKOUT 11 11 11 9 O clock output (see Table 1)

DGND1 12 12 12 10 supply digital ground 1

AGND 13 13 13 11 supply analog ground

S2 14 14 14 12 I/O capacitance connection for voltage doubler

VDDA 15 15 15 13 supply analog supply voltage

S1 16 16 16 14 I/O capacitance connection for voltage doubler

VUP 17 17 17 15 I/O output of voltage doubler

I/O 18 18 18 16 I/O data I/O line to and from card

AUX2 19 −−17 I/O auxiliary I/O line to and from card

PRES 20 19 19 18 I card input presence contact (active LOW)

PRES −20 −−I active HIGH card input presence contact

CV/TV −−20 19 I card voltage selection input line (high = 5 V, low = 3 V); note 1

AUX1 21 21 21 20 I/O auxiliary I/O line to and from card

CLK 22 22 22 21 O clock to card output (C3I) (see Table 1)

RST 23 23 23 22 O card reset output (C2I)

VCC 24 24 24 23 O supply for card (C1I)

CMDVCC 25 25 25 24 I start activation sequence input from microcontroller (active

LOW)

RSTIN 26 26 26 25 I card reset input from microcontroller

OFF 27 27 27 26 O open-drain NMOS interrupt output to microcontroller (active

LOW)